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The deep sea is amajor sink formicroplastic debris Lucy C. WoodallAnna Sànchez‐VidalMiquel Canals2014 год

The deep sea is a major sink for microplastic debris
статья из журнала

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Аннотация: Marine debris, mostly consisting of plastic, is a global problem, negatively impacting wildlife, tourism and shipping. However, despite the durability of plastic, and the exponential increase in its production, monitoring data show limited evidence of concomitant increasing concentrations in marine habitats. There appears to be a considerable proportion of the manufactured plastic that is unaccounted for in surveys tracking the fate of environmental plastics. Even the discovery of widespread accumulation of microscopic fragments (microplastics) in oceanic gyres and shallow water sediments is unable to explain the missing fraction. Here, we show that deep-sea sediments are a likely sink for microplastics. Microplastic, in the form of fibres, was up to four orders of magnitude more abundant (per unit volume) in deep-sea sediments from the Atlantic Ocean, Mediterranean Sea and Indian Ocean than in contaminated sea-surface waters. Our results show evidence for a large and hitherto unknown repository of microplastics. The dominance of microfibres points to a previously underreported and unsampled plastic fraction. Given the vastness of the deep sea and the prevalence of microplastics at all sites we investigated, the deep-sea floor appears to provide an answer to the question-where is all the plastic?
Год издания: 2014
Авторы: Lucy C. Woodall, Anna Sànchez‐Vidal, Miquel Canals, Gordon Paterson, Rachel Coppock, Victoria A. Sleight, Antoni Calafat, Alex D. Rogers, Bhavani E. Narayanaswamy, Richard C. Thompson
Издательство: Royal Society
Источник: Royal Society Open Science
Ключевые слова: Microplastics and Plastic Pollution, Recycling and Waste Management Techniques
Другие ссылки: Royal Society Open Science (HTML)
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